Use cex.io to buy bitcoins from Sri lanka
1. Fund CEX.IO account
Create an account on CEX.IO exchange, link your payment card and fund account using this card. Any VISA/MasterCard debit or credit card is acceptable.
2. Buy Bitcoins
Use simplified interface to buy Bitcoins instantly at the current market price. Alternatively, choose the price at which you want to buy Bitcoins on the trade page.
3. Get Bitcoins
Bitcoins will be automatically credited to your CEX.IO balance right after purchase. You can sell them at any moment and withdraw money to your linked card.